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Patent US2844272A successfully refreshed from Google Patents.
US2844272A
Expired / Lapsed
US
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Collapsible lunch box
Assignee: Individual
•
Filing: 1954-02-12
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Granted: 1958-07-22
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Expires: 1974-02-12
Abstract
No abstract record available.
Inventors
- 👤 Mayer Robert
- 👤 Corson Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:22
CPC Classifications
B; B65; B65D; B65D7/00; B65D7/12; B65D7/24; B65D7/28; A; A45; A45C; A45C11/00; A45C11/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1003107A
Cited
US1626369A
Cited
GB189808220A
Cited
US1239223A
Cited
US1206090A
Cited
US1793362A
Cited
US1809523A
Cited
US1967506A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-21 | 1962-01-20 | 1962-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-21 | 1966-01-20 | 1966-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-21 | 1970-01-20 | 1970-07-22 | $7700.00 | Window Closed / Lapsed |